spring-boot啓動報錯This application has no explicit mapping for /error

spring-boot啓動報錯This application has no explicit mapping for /error, so you are seeing this as a fall 解決辦法： 1.application啓動類要放在controller包的同級 2.注意類的註解，controller類的註解要用@RestController，不用再用@Controller，其他

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